S.D. Codified Laws § 11-2-55
An appeal to the board of adjustment may be taken by any person aggrieved or by any officer, department, board, or bureau of the county adversely affected by any decision of the administrative officer to grant or deny the permit. No other appeal such as any relating to a ministerial act or other preliminary act to bring an application or matter before the board for hearing and a final decision is authorized by this section. The appeal shall be taken within a reasonable time not to exceed twenty-one days, as provided by the rules of the board of adjustment, by filing with the officer from whom the appeal is taken and with the board of adjustment a notice of appeal specifying the grounds of the appeal. The officer from whom the appeal is taken shall transmit to the board of adjustment all the papers constituting the record upon which the action appealed from was taken. All appeals relating to a particular action or property shall be consolidated and heard on an expedited basis.
SDCL 11-2-55